Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21D19 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 21D19 It is listed as Switch Thermostatic. component manufactured by Gardner Denver Inc, specifically under CAGE Code 66324. It is also accompanied by the NSN 5930014173144 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5930 Switches.